.Vlogo{
    width: 100%;
    height: 100%;
}
.Tv{
    margin: auto; 
    margin-top: 150px;
    /* width: 756px;
    height: 428px; */
    width: 885px;
    height: 500px;
    border: 2px solid black;
    position: relative;
}
.videos{
    width: 100%;
    height: 100%;
    background: white;
    position: relative;
    background:url(https://www.imageoss.com/images/2021/10/28/4k_67315485d64fa975.jpg) no-repeat;
    background-size: contain;
}
.switch-b{
    width: 100%;
    height: 100%;
    background: black;
    position: relative;
}
.open{
    position: absolute;
    right: -50px;
    bottom: 10px;
    width: 40px;
    height: 40px;
    object-fit: contain;
}
.open img{
    height: 100%;
    width: 100%;
}

.switch{
    position: absolute;
    bottom: -7px;
    right: 5px;
    width: 20px;
    height: 2px;
    background: chartreuse;
    box-shadow: 1px 1px 2px 2px chartreuse;
}
.active{
    background: red;
    box-shadow: 1px 1px 2px 2px red;
}
.buttom{
    width: 700px;
    height: 5px;
    margin: auto;
    margin-top: 200px; 
    position: relative;
}
.buttom::after{
    content: "";
    position: absolute;
    width: 3px;
    height:200px;
    left: 200px;
    background: black;
    bottom: 40px;
    transform: rotate(50deg);
}
.buttom::before{
    content: "";
    position: absolute;
    right: 200px;
    width: 3px;
    height:200px;
    background: black;
    bottom: 40px;
    transform: rotate(-50deg);
}
.list{
    position:absolute; 
    right: -250px;
    top: 0px;
    width: 200px;
    height: max-content;
    cursor: pointer;
    box-shadow: 0 2px 12px 0 rgba(0, 0, 0, 0.1);
    font-family: "Helvetica Neue",Helvetica,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","微软雅黑",Arial,sans-serif;
}
.directory{
    width:100%;
    height: 40px;
    background: #ccc;
    padding-left: 20px;    
}
.directory p{
    font-size: 1.5em;
    line-height: 40px;
}
.contentlist{
    max-height: 400px;
    overflow-x: hidden;
    overflow-y: scroll;
}
.contentlist::-webkit-scrollbar{
    display: none;
}
.vname{
    width: 100%;
    height: 40px;
    padding:0px 20px; 
    position: relative;
}
.vname p:first-child{
    font-size: 1em;
    line-height: 40px;
    text-overflow: ellipsis;
    white-space: nowrap;
    overflow: hidden;
}
.active1{
    background: rgb(235, 232, 232);
}
.vname p:last-child{
    position: absolute;
    line-height: 40px;
    right: 10px;
    top: 0px;
    font-size: 10px;
}